Identify and classify different rocks, unearth clues leading you to mineral deposits, and perform exciting experiments with your own collection. First learn about the formation of the earth and the stages of its physical development. Explore the fiery birth of volcanic, or igneous, rocks, and see how to distinguish them from each other. Unearth clues to identifying sedimentary rocks, made by eons of weathering and abrasion. Delight in the magic of metamorphic rock formation, rocks that have been changed by heat, pressure, or fluid. Beautiful color photographs of both museum-quality stones and everyday rocks will make every collector want this ultimate field guide. This is the only book you'll need to begin the fascinating hobby of mineral collecting. You'll want it in your backpack when exploring, and at home when you're and examining identifying your finds.